What Is the Optimal Read Range Between a Tag and a Receiver?

What should the maximum range be so that they can communicate with each other? —Name withheld ——— The question, I think, refers to passive ultrahigh-frequency (UHF) tags. With active tags, the systems are designed to read tags over long distances—100 feet or more....
Prison RFID Study Finds Planning Is Critical

Prison RFID Study Finds Planning Is Critical

A study from the RAND Corp. cites insufficient planning and training as major challenges for prison installations of RFID—but when installed and used properly, the technology can reduce violence and provide other benefits.

Internet of Things Event in Tokyo

The Auto-ID Labs, which is spearheading research to connect objects to the Internet, has helped to organize a Japanese conference for academia and industry.

Where Can I Find Tags That Can Withstand High Temperatures?

You have written that some RFID tags can survive temperatures ranging from -40 degrees Celsius to +300 degrees Celsius (-40 degrees Fahrenheit to +572 degrees Fahrenheit). Are there any new tags that can operate in much higher temperatures? —Name withheld ——— Yes,...

RFID News Roundup

Russian Olympic city picks NXP’s Mifare Plus for transportation systems; Ohio RFID business incubator extends services to companies around the world; Equipment BC offers RFID-based meters for monitoring forklifts, machinery; Ryzex, Zebra Technologies launch educational microsite on warehouse management that features RFID; Ekahau Site Survey offers ZyXEL customers advanced Wi-Fi planning, auditing; Nordic ID launches new mobile RFID readers.

How Can an RFID Reader Interrogate Multiple Tags Simultaneously?

What are the problems associated with doing so, and how does one get around them? —Name withheld ——— There really are very few problems one faces when reading multiple tags. All RFID air-interface protocols—the rules governing how tags and readers communicate—include...